#B43815#B43815
#B43815 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.166 H 35.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B43815 |
|---|---|
| RGB | rgb(180, 56, 21) |
| HSL | hsl(13, 79%, 39%) |
| HSV | hsv(13, 88%, 71%) |
| CMYK | cmyk(0%, 68.9%, 88.3%, 29.4%) |
| CIE-LAB | lab(42.14, 48.65, 46.89) |
| CIE-LCH | lch(42.14, 67.57, 43.95°) |
| OKLab | oklab(51.97% 0.1353 0.0965) |
| OKLCH | oklch(51.97% 0.166 35.5) |
| XYZ | xyz(20.3744, 12.5889, 2.0664) |
| Luminance | 0.1259 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.08
Rust
#B7410E
ΔE00 3.47
Rust Red
#AA2704
ΔE00 3.86
Rust (survey)
#A83C09
ΔE00 3.90
Russet
#A13905
ΔE00 5.05
Brick
#A03623
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43815 #1591B4
analogous
#B41541 #B43815 #B48815
triadic
#B43815 #15B438 #3815B4
tetradic
#B43815 #41B415 #1591B4 #8815B4
square
#B43815 #41B415 #1591B4 #8815B4
split-complementary
#B43815 #15B488 #1541B4
monochromatic
#461608 #7D270F #B43815 #E54C21 #EC7858
Accessibility & contrast
On white
5.97
#B43815 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B43815 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43815
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43815 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43815 | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D520E
Deuteranopia (green-blind)
#7C6E0C
Tritanopia (blue-blind)
#C70732
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43815; /* rgb */ color: rgb(180, 56, 21); /* oklch */ color: oklch(52.0% 0.166 35.5);
Tailwind
colors: {
custom: {
50: '#d47657',
500: '#b43815',
950: '#000000',
},
}SCSS
$custom: #b43815; $custom-light: #d47657; $custom-dark: #000000;
JSON
{
"hex": "#b43815",
"rgb": {
"r": 180,
"g": 56,
"b": 21
},
"hsl": {
"h": 13.208,
"s": 79.104,
"l": 39.412
},
"oklch": {
"l": 0.5197,
"c": 0.16618,
"h": 35.5
},
"luminance": 0.12586
}Semantic roles & 50–950 ramp
primary
#B43815
secondary
#56B4CF
accent
#CBF632
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160903
muted
#847B78